wordpress snippet add login/logout button in header

    

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      function add_login_logout_link($items, $args) {
    if ($args->theme_location == 'primary') {
        if (is_user_logged_in()) {
            $items .= '<li><a href="'.wp_logout_url().'">Logout</a></li>';
        } else {
            $items .= '<li><a href="'.wp_login_url().'">Login</a></li>';
        }
    }
    return $items;
}
add_filter('wp_nav_menu_items', 'add_login_logout_link', 10, 2);
    
    

	
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